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> Characiformes (Characins) > Acestrorhamphidae (American tetras) > Megalamphodinae
Etymology: Petitella:French, petit = small, diminituve (Ref. 45335). Eponymy: Professor Georges Jean-Jacques Petit (1892–1973) was a French marine biologist at the Muséum National d’Histoire Naturelle. [...] Heiko Bleher (d: 1944) is a German explorer and ornamental fish wholesaler and supplier. [...] (Ref. 128868), visit book page. More on authors: Géry & Mahnert.
Taxonomic Remarks Ornamental fish.
البيئة: الوسط / المنطقة المناخية / نطاق العمق / نطاق التوزيع البيئة
This species is distinguished from its congeners by the following characters: head with a much more intense and widespread red color, extending up to the humeral region (vs. limited red coloration and not extending to humeral region in georgiae, rhodostoma); horizontal black bar on the end of the caudal peduncle is never prolonged forward (vs. prolonged up to the anal-fin in georgiae, rhodostoma); anal-fin hyaline (vs. a black bar present on the base of the anterior part of the anal-fin, continuing obliquely on the branched rays in georgiae, rhodostoma) (Ref. 127081). Cross section: compressed.
دورة الحياة وسلوك التزاوج النضج | التكاثر | وضع البيض | بيض | الخصوبة | اليرقات
Bittencourt, P.S., V.N. Machado, B.g. Marshall, T. Hrbek and I.P. Farias, 2020. Phylogenetic relationships of the neon tetras Paracheirodon spp. (Characiformes: Characidae: Stethaprioninae), including comments on Petitella georgiae and Hemigrammus bleheri. Neotropical Ichthyology 18(2):1-11. (Ref. 127081)
حالة القائمة الحمراء للاتحاد الدولي لحفظ الطبيعة والموارد الطبيعية (Ref. 130435: Version 2025-2 (Global))
